OpenTechnical

OT-2026-000079342

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000079342) never changes.

Identity and time

Publication numberOT-2026-000079342 · never reused
Internal UUID01a0ae96-0b90-701b-a77d-5e746e5f0ef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079342
StatusPUBLIC

Content hashes

Canonical texte8dea34ddf65644dc2acfbb72ef7e3337905b711d8d302e8aa48f6ca67135737
Markdownaedc652663909a0921df1b303d9451d8fd1eaf87e89d6b9080d3d8498f8768f4
PDF
Publication pagef5f53d52ec1702c09fd1702b88f56b599717a71cb7f293979f6380acdb46ebd1
Manifest9166ac674e25510d82ba084a930c11122aa604681372d28eeb5d4446f1d37af3

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRc7OTs+z/wKmyvvL0Qgm48Arutlo4zRf+f+2lJB3MOxhM0rcHTkKYGK4ykaYkD1Sk7k2Cw5yUXOTVa1MYakzCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:57.413753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079342
observed f5f53d52ec1702c09fd1702b88f56b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.396302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079342/manifest.json
observed 9166ac674e25510d82ba084a930c1112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.378739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079342/publication.md
observed aedc652663909a0921df1b303d9451d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.361447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079342/publication.txt
observed e8dea34ddf65644dc2acfbb72ef7e333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.